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Stephen Lokier @lokier.bsky.social · 10/06/2026

I'm really looking forward to this month's webinar. A topic very close to my heart! BTW, we recently had a tidy up of our registration list so don't be surprised if you are asked to re-register. You can register here: sedsonline.com/webinar-regi...

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Seds Online @sedsonline.bsky.social · 11/05/2026

Don't forget to register!

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The Carbonate Forum @carbonateforum.bsky.social · 09/05/2026

We have just discovered that the IT Gremlins have been working in secret behind the scenes. If you have already registered for The Carbonate Forum 2026 (next Tuesday and Wednesday) then please re-register here: sedsonline.com/the-carbonat... If you have not registered, now's your chance!

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Seds Online @sedsonline.bsky.social · 13/02/2026

Weekend task: If you work with carbonates, submit an abstract to @carbonateforum.bsky.social 2026 or propose an activity 👉 workshop, field trip, lab visit... your ideas are very welcome. 🌍 The conference is free, so let’s make it truly global and open to everyone: sedsonline.com/the-carbonat...

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Seds Online @sedsonline.bsky.social · 06/01/2026

Join us for the January Seds Online Webinar "Rethinking the meaning of carbonate facies" with @obialik.bsky.social on next Wednesday (14 January) at 4:00 PM UK. Explore the complexity and insights of interpreting carbonate facies, and what we can still learn despite their ambiguity: sedsonline.com

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The Carbonate Forum @carbonateforum.bsky.social · 04/12/2025

The Carbonate Forum is back! The 4th edition will take place online on 12–13 May 2026 and will be hosted by @sedsonline.bsky.social. Find all details here: sedsonline.com/the-carbonat...

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Stephen Lokier @lokier.bsky.social · 03/11/2025

Submission is open for our session 'Carbonates - archives of time, space and change' at the the EGU General Assembly (3-8 May 2026) Join Karolina Bienko, Arnaud Gallois and I for some lively discussions about all things carbonate! Submit here: meetingorganizer.copernicus.org/EGU26/abstra...

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Stephen Lokier @lokier.bsky.social · 09/10/2025

Our new #OpenAccess paper 'Sediment-stressed reefs over the past 420 Myr', led by Tanja Unger, has been published in The Depositional Record Understanding natural and anthropogenic sediment influx to reef systems is critical to planning protection strategies onlinelibrary.wiley.com/doi/10.1002/...

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Seds Online @sedsonline.bsky.social · 28/06/2025

As a special treat, we are broadcasting the Seds Online Great Debate "Are Strata Random?" LIVE from the International Meeting of Sedimentology. Starting today at 11am UK time.

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Seds Online @sedsonline.bsky.social · 26/06/2025

We are delighted to announce that our Seds Online 'Great Debate Live' event... Are Strata Random? ...will be live streamed via our usual webinar link. Featuring: Liz Mahon, Peter Burgess, Fulvio Franchi & Paul Wright Saturday 28th June, 11 am UK, 12 noon CET! Register here: sedsonline.com

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Seds Online @sedsonline.bsky.social · 10/06/2025

Join us for the last Seds Online Webinar of the 2024-25 season. Tomorrow, Adam Tomasovych from the Slovak Academy of Sciences will be presenting "Tracing processes in the taphonomically-active zone and inferring condensation on the basis of skeletal preservation" Join us at 4pm (UK time)

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Seds Online @sedsonline.bsky.social · 14/05/2025

Starting soon👇

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Joanna Pszonka @joannapszonka.bsky.social · 26/02/2025

Today, 3 Students: Carra Williams, Morgan Chakraborty and Xianyi Liu will present their research on carbonate systems at the @sedsonline.bsky.social Student Webinar. I'm looking forward to hearing their insights and perspectives from Sydney, Miami, and Utrecht. Join our discussion: sedsonline.com

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Stephen Lokier @lokier.bsky.social · 26/02/2025

Today! 4pm UK time....

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Seds Online @sedsonline.bsky.social · 12/02/2025

Starting now!

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Seds Online @sedsonline.bsky.social · 30/01/2025

⚠️ DEADLINE EXTENSION⚠️ Deadline extended to WEDNESDAY 12th FEBRUARY to present your research at the next SedsOnline student webinar on Wednesday 26th February! No need to prepare a proper abstract, just answer 3 short questions about your methodology, research aims, results & interpretations!

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Seds Online @sedsonline.bsky.social · 08/01/2025

Today at 4pm! 👇

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International Association of Sedimentologists @sedimentology.bsky.social · 15/11/2024

One week left to submit your session and workshop proposal for the 22nd International Sedimentological Congress #22ISC that will take place in Wellington, on 25-30 January 2026: confer.co.nz/isc2026/call...

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Stephen Lokier @lokier.bsky.social · 09/11/2024

‘Welcome’ to all those recently joining BS👋 I’ve just updated the #Sedimentology Starter Pack. go.bsky.app/LpKM3ek If you think you should be in it then let me know!

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Stephen Lokier @lokier.bsky.social · 09/11/2024

‘Welcome’ to all those recently joining BS👋 I’ve just updated the #Sedimentology Starter Pack. If you think you should be in it then let me know!

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Stephen Lokier @lokier.bsky.social · 29/10/2024

Closing date for applications to join our @DerbyUni #EarthSciences team is next Monday!

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Seds Online @sedsonline.bsky.social · 29/10/2024

Out Now! "Sedimentary systems in the energy transition" The recording of the first Seds Online Student Webinar of the 2024-25 season. Learn all about their fabulous research! youtu.be/8cW712Z8TMc

youtu.be

Seds Online Student Webinar 10 - Sedimentary systems in the energy transition

YouTube video by Seds Online

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Stephen Lokier @lokier.bsky.social · 31/08/2024

New to Bluesky and looking for sedimentologists? Try out this starter pack… go.bsky.app/LpKM3ek

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Dr. Or M. Bialik |📚|🔬|🌊|⚒️ @obialik.bsky.social · 16/09/2024

A few more days left to apply to present in this @sedsonline.bsky.social student seminar on Sedimentary Systems and the Energy Transition. ⚒️

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Stephen Lokier @lokier.bsky.social · 09/09/2024

This was a truly excellent talk by Sanjeev - highly recommended!

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Seds Online @sedsonline.bsky.social · 24/06/2024

Are you attending the International Meeting of Sedimentology in Aberdeen this week? Join us for the Seds Online Great Debate LIVE! Mud, it's just pointless! Wednesday 26th June 3.30-5.00 pm Suite 4

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Stephen Lokier @lokier.bsky.social · 18/04/2024

The fabulous @olakwiecien3.bsky.social introducing the Jean-Baptiste Lamarck medalist @eurogeosciences.bsky.social Silvia Frisia👏🏼👏🏼👏🏼👏🏼👏🏼👏🏼

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Stephen Lokier @lokier.bsky.social · 14/04/2024

The @sedimentology.bsky.social booth at #EGU2024 is all set up. Looking forward to seeing everyone. Come and see us at Booth 22 - the home of #sedimentology! @eurogeosciences.bsky.social @sedsonline.bsky.social @jsedimentology.bsky.social

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Seds Online @sedsonline.bsky.social · 10/04/2024

The #Seds_Online Team invites to the April Webinar titled 'Rapid growth and recrystallization of cave pearls: implications for carbonate diagenesis' from Leslie A. Melim, today at 4 pm UK: sedsonline.com/future-webin...

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Derby Geosciences @derbyunigeo.bsky.social · 13/03/2024

Day 3 of the @DerbyUni #GeoEnergy field trip is #CriticalMinerals day! Today we are looking at how the #EnergyTransition to #Carbon #NetZero will require significant investment in #Geoscientists.

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Stephen Lokier @lokier.bsky.social · 13/03/2024

Starting in 15 minutes!👇🏽

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Stephen Lokier @lokier.bsky.social · 12/03/2024

Day 2 of our @DerbyUni #GeoEnergy field trip finds us in Wales 🏴󠁧󠁢󠁷󠁬󠁳󠁿! Today we are looking at the #energy production and storage potential of rocks deposited in deltas, deserts and shallow tropical seas. #CCS #geothermal

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Sabkha @sabkha.bsky.social · 25/11/2023

Let’s kick off our 1st #SabkhaSaturday with some microbial mats in Abu Dhabi. Microbial mats can develop with a range of morphologies. This polygonal growth pattern, with uplifted margins, is typical of rapid healthy growth in the uppermost intertidal zone. Explained here: dx.doi.org/10.1002/dep2...

Polygonal growth pattern in microbial mats in the Abu Dhabi Sabkha

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Sabkha @sabkha.bsky.social · 17/02/2024

For today’s #SabkhaSaturday offering, we present… 🥁 …. an intertidal creek in the Abu Dhabi Sabkha. These meandering channels are the focal points of flow during the later stages of ebb tides. Thus, transporting significant amounts of sediment seawards.

A flat featureless sandy surface at the shoreline. A water filled channel meanders seaward. A few isolated mangrove trees are at the channel margin.

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Joanna Pszonka @joannapszonka.bsky.social · 14/02/2024

In the February @sedsonline.bsky.social Webinar, Liz Mahon from the University of Utah will talk about coastal peatland systems. The Webinar is held today at 5 pm CET: sedsonline.com/future-webin... #Seds_Online

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Stephen Lokier @lokier.bsky.social · 14/02/2024

Really looking forward to this!👇⚒️

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Seds Online @sedsonline.bsky.social · 14/02/2024

The Seds Online February Webinar is TODAY! 'Exploring coastal peatland systems: case studies from the Late Cretaceous and Paleocene' with the amazing Liz Mahon. sedsonline.com/future-webin... Today at 5 pm CET! ⚒️ 🧪

Liz Mahon sitting in front of a computer showing a geological model.

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Sabkha @sabkha.bsky.social · 04/02/2024

Back on the surface of the sabkha this #SabkhaSaturday. The pustular surface seen in this image is caused by the displacive growth of a halite cement between the bioclastic sand grains. This ephemeral cement will be dissolved by rain fall, storm surges or, even, humidity.

Photo looking down onto the sandy surface in the sabkha. The image shows pustules up to 5 cm in diameter. Gastropod shells are abundant.

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Sabkha @sabkha.bsky.social · 10/02/2024

Desiccation polygons in thin microbial mats. As mats dehydrate and contract, the edges of polygons roll inwards to produce characteristic open dishes. These edges are particularly susceptible to erosion and transport - acting to ‘seed’ new mats if deposited in a suitable environment. #SabkhaSaturday

Picture from the Abu Dhabi sabkha showing a flat surface with a poorly developed polygonal pattern. The edges of polygons are curled upward and inward.

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Derby Geosciences @derbyunigeo.bsky.social · 10/02/2024

Closing date fast approaching 👇

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Stephen Lokier @lokier.bsky.social · 10/01/2024

Today👇

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Sabkha @sabkha.bsky.social · 07/01/2024

For today’s #SabkhaSaturday, we offer an accumulation of gastropods. Gastropods are abundant in lagoons adjacent to the Abu Dhabi sabkha. Postmortem transport concentrates them into beach ridges and spits. If preserved, these ‘gastropod rudstones’ would confuse palaeoenvironmental interpretation. ⚒️🧪

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Stephen Lokier @lokier.bsky.social · 04/01/2024

Working on #carbonate sediments? Brilliant! Well done you! But... only a few days left to submit you abstract for our session ‘#Carbonates - archives of time, space and change’ at #EGU24! meetingorganizer.copernicus.org/EGU24/sessio... @Sedimentology @EuroGeosciences @EGU_SSP ⚒️🧪

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Jaco H. Baas @makingripples.bsky.social · 24/12/2023

@earth-science.bsky.social ⚒️ Did you know that turbidity currents can flow below the sea bed? This happens when flow density is greater than mud bed density. These ultrasound images ⬇️ show the change of 'suprabed' (top) to 'intrabed' flow (bottom) in the Porto Alegre laboratory, Brazil. 🎄🎁🎅

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Sabkha @sabkha.bsky.social · 23/12/2023

Today’s #SabkaSaturday offering is this distinctive feeding bioturbation trace in the middle intertidal zone of the Abu Dhabi sabkha. This is formed by a Greater Flamingo standing at the centre and rotating on the spot as it feeds🦩⚒️

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